bowtie pasta vs pasta

bowtie pasta and pasta both are nouns.

Word	Noun	Adjective	Verb	Adverb
bowtie pasta	Yes	No	No	No
pasta	Yes	No	No	No

As nouns, pasta is a hypernym of bowtie pasta; that is, pasta is a word with a broader meaning than bowtie pasta:

bowtie pasta: pasta shaped with scalloped edges and pinched in the middle, suggestive of a bow tie
pasta: shaped and dried dough made from flour and water and sometimes egg

Other hypernyms of bowtie pasta include alimentary paste.

bowtie pasta (noun)	pasta (noun)
pasta shaped with scalloped edges and pinched in the middle, suggestive of a bow tie	shaped and dried dough made from flour and water and sometimes egg
	a dish that contains pasta as its main ingredient